Fire prevention of brickwork wall movement joint, heat preservation structure

The utility model provides a fire prevention of brickwork wall movement joint, heat preservation structure, the wall body inboard is equipped with L shape fire prevention inner panel and L shape fire prevention planking, and fire prevention inner panel and fire prevention planking all are connected fixedly through fin and wall body basic unit, and the side surface still is equipped with cell type fire prevention apron in the wall body, and the fire prevention apron passes through the bolt and prevents fires the inner panel to fix. Be equipped with L shape heat preservation inner panel and L shape heat preservation planking in the wall body outside, heat preservation inner panel and heat preservation planking all are connected with wall body basic unit through the fin, still are equipped with heat -preserving cover plate on the outside surface of wall body, and heat -preserving cover plate passes through the bolt and the heat preservation inner panel is fixed. Be equipped with the extension spring between fire